HP M3027 Service Manual - Page 207

3. Does the device copy? YES Go to step 4. NO Poor copy quality from the ADF. 1. If the print quality from the internal tests and the copy from the flatbed were acceptable, clean the ADF scanning strip. See Clean the scanner glass on page 43. 2. If the ADF is damaged, replace the ADF (see ADF assembly on page 80). Media does not move 1. smoothly through the ADF path. 2. Make sure that the media HP specifications. See Media specifications on page 15. Clean the ADF roller and separation pad. See Clean the ADF on page 40 . 3. If the problem persists, replace the ADF roller. 4. If the problem persists, replace the ADF (see ADF assembly on page 80). Poor copy quality from the flatbed. 1. If the print quality from the internal tests and the copy from the ADF were acceptable, clean the flatbed glass. See Clean the scanner glass on page 43. 2. If, after performing the maintenance, the problem persists, see the user guide. 3. If the problem persists, replace the scanner assembly (see Scanner assembly on page 90). ENWW Troubleshooting process 195